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Malicious package

tinfoil-shopsnpm

Malicious code in tinfoil-shops (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-3284
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall tinfoil-shops

What this malware does

The package tinfoil-shops was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

all versions

Every published version of this package is considered malicious — remove it entirely.

Indicators of compromise (SHA-256)

5fafb06ed458abc37062e49cbd57b0e5c348dba7d88d1524ca5df198216d7326
12060d7ba8ada1f0215277ed3936de1f8e9f03d47430fe816b634778291d7024

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for tinfoil-shops (all published versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging tinfoil-shops across your stack and pipelines.

  2. If you installed it — respond

    Remove tinfoil-shops from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If tinfoil-shops was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks tinfoil-shops before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. tinfoil-shops on npm has been identified as a malicious package (all published versions flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-7p2r-cm6w-w768

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks tinfoil-shops-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

tinfoil-shops (npm) malicious package — MAL-2026-3284 | O3 Security